Matthew 12:34
You brood of vipers! how can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.
Matthew 13:14-15
In them is fulfilled the prophecy of Isaiah which says: 'Hearing you will hear and shall not understand; and seeing you will see and not perceive.
John 5:44
How can you believe, who receive glory from one another, and do not seek the glory that comes from the only God?
John 8:43
Why do you not understand what I say? It is because you are not able to hear my word.
John 12:39-40
Therefore they could not believe, because Isaiah said again:
Acts 14:16
In past generations he allowed all the nations to go their own ways;
Romans 1:21-23
for although they knew God they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened.
Romans 1:28
And since they did not see fit to retain the knowledge of God, God gave them over to a base mind, to do what ought not to be done.
Romans 11:8-10
as it is written: "God gave them a spirit of stupor, eyes that they should not see and ears that they should not hear, down to this very day."
2 Corinthians 4:3-4
And even if our gospel is veiled, it is veiled to those who are perishing.
2 Thessalonians 2:9-12
The coming of the lawless one by the activity of Satan will be with all power and with pretended signs and wonders,
2 Peter 2:14
They have eyes full of adultery, that never cease from sin; they entice unstable souls. They have hearts trained in greed. Accursed children!